A power supply is no longer providing power to the system.

One of the power supplies in a node pair is no longer providing power. As a result, there is no longer a redundant power supply available to the node pair.

It is possible that a power cable came loose during recent maintenance. If there is no recent history of maintenance, it is likely that one of the power supplies in the node is not receiving power or has malfunctioned.

Administrator action

Perform the following suggestions in the order presented. If a suggestion solves the issue, there is no need to perform the other steps.

If the event persists, gather logs, and then contact EMC Isilon Technical Support for additional troubleshooting. For instructions, see Gathering cluster logs.